【7A文】Technology for monitoring reservoir remaining oil(油藏剩余油监测技术）.ppt

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1、TechnologyformonitoringreservoirremainingoilMarch2004----C/ORatioSpectralog--So----C/HRatioSpectralog--So----CNLLog--DensityIntroductionC/ORatioSpectralogBriefintroductionofC/OSpectralogBasicloggingprincipleThecharacteristicsofdownholetoolGeologicalconditionsBoreholeconditionsInterpretationmetho

2、dTheadvantagesofC/OSpectralogApplicationC/HRatioSpectraloginterpretationmethodCNLloggingincasedholeSummaryDataacquisitionofmonitoringreservoirremainingoilReservoirparametersfrommonitoringreservoirremainingoilContentsIntroductionTheprimarytaskduringthedevelopmentofanoilfieldistodeterminetheremain

3、ingoilsaturationininternalorlayerseriesofdevelopment.Tomanageareservoirefficiently,andenhanceoilrecovery,wemustknowthewaterfloodsweepareas,assessremainingorresidualoilsaturation,getactualfluiddensity,andidentifyzonesthattheinjectedwaterhasbypassed.Toachievethis,thetechnologyofmonitoringreservoir

4、remainingoilwillplayakeyroleinreservoirdescriptionandreservoirengineering.IntroductionC/ORatioSpectralogBriefintroductionofC/OSpectralogBasicloggingprincipleThecharacteristicsofdownholetoolGeologicalconditionsBoreholeconditionsTheadvantagesofC/OSpectralogInterpretationmethodApplicationC/HRatioSp

5、ectraloginterpretationmethodCNLloggingincasedholeSummaryDataacquisitionofmonitoringreservoirremainingoilReservoirparametersfrommonitoringreservoirremainingoilContentsC/OSpectralogintroductionC/OSpectralogisamainloggingmethodtodeterminetheinternalremainingoilsaturationofdevelopmentlayers.Waterflo

6、odsection,waterfloodgradeandwaterfloodzone’sthicknesscanbedeterminedbyprovidingremainingoildistribution.Theremainingandresidualoilsectionandthicknesscanalsobedeterminedbythislogmethod.Providingbasicdataforproposingsoundplanofoilfielddevelopmentandreadjustment.Surveyingoil-gaszoneswithlowsalinity

7、offormationwaterorunknownsalinitywater.MonitoringOWCinoilfieldswithlowsalinityofformationwater.Monitoringtheremainingoilsaturationinwater-drivenrecoveryengineering(thephaseofoilfielddevelopment).Mainfunctions:Geologicalchara